Anthropic

Claude Sonnet 4.5 Pricing & Cost Breakdown

Anthropic's intelligent flagship model optimized for complex agents, software engineering, and computer use. It features 'extended thinking' for deep reasoning and achieves state-of-the-art performance on coding benchmarks like SWE-bench Verified.

Pricing

Input Price
$3.00
per 1M tokens
Output Price
$15.00
per 1M tokens

Specifications

Context Length
200K tokens
Status
active
Supported Modalities
TextImage
Features
StreamingFunction CallingComputer UsePrompt CachingExtended Thinking

Source & Verification

Official Pricing Source
Anthropic Official Pricing Page
Last Verified
February 5, 2026
Pricing Methodology

Prices are listed in USD, pre-tax. Text model prices are per 1 million tokens (input and output). Image model prices are per generated image. Video model prices are per second of generated video. Prices are sourced from official provider documentation and verified by our team. Special pricing (batch, cached, fine-tuned) may not be reflected.

Found an Error?

If you notice incorrect or outdated pricing, please let us know. We typically verify and update within 24 hours.

Cost Calculator

750,000 words
375,000 words
Input Cost$3.0000
Output Cost$7.5000
Total Cost$10.5000